AirHint found the following cheapest return flights from Madrid (MAD) to Montreal (YUL) in May 2026 (see full year).

Return flights

09 May - 22 May	Air Transat	direct
07 May - 13 May	Air Transat	direct
26 May - 10 Jun	Air Transat	direct
08 May - 17 May	Air Canada
16 May - 27 May	Air Transat	direct
21 May - 25 May	Air Transat	direct
08 May - 19 May	Air Canada
20 May - 25 May	Air Canada
08 May - 15 May	Air Canada
09 May - 17 May	SWISS
04 May - 10 May	TAP
22 May - 08 Jun	Air France
30 May - 05 Jun	Air Transat	direct
22 May - 07 Jun	TAP
22 May - 07 Jun	Air Canada	direct
22 May - 08 Jun	Lufthansa	direct
15 May - 06 Jun	Air France
16 May - 07 Jun	TAP
30 May - 06 Jun	Iberia

Also check the deals for one-way flights from Madrid to Montreal in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Madrid to Montreal in May from 351€

Return flights